Mathematics, 25.01.2021 18:20 kevinyanyp7egif
400 people are asked if they drink tea.
7/10 say "yes" and 20% of the people who say "yes" drink at least 3 cups each day.
a) Complete the frequency tree
b) What fraction of the 400 people drink at least 3 cups of tea each day?
(Give your answer in its simplest form!)
Answers: 2
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400 people are asked if they drink tea.
7/10 say "yes" and 20% of the people who say "yes" drink at...
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